Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Paste Puff for Tarts, Etc
Ingredients
Directions
In a bowl, mix the flour with the baking powder, reserving 3 tablespoons for later.
Rub ⅙ of the butter into the flour, adding just enough water to form a smooth paste.
Roll out the paste to 1 inch thick, then divide it in half.
Roll out one half until very thin, less than ¼ inch thick.
Break the second portion of butter into small bits and place over the paste, leaving a 1-inch margin.
Dredge with flour, fold in thirds, and roll out to 1 inch thick.
Repeat with the other half using the remaining butter.
Stack the two pieces and roll out to ½ inch thick.
Fold the paste and place it between two dishes in a cool place until the next day.
When rolling out for tarts, keep the grain consistent for best results.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
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